There are
1,792 mi
from Longmont, CO to Peekskill, NY
That's the driving distance. It would take 1 day 8 hours to go from Longmont, Colorado to Peekskill, New York.
The flight distance (direct flight from Longmont, CO to Peekskill, NY) is 1,625.71 mi.
1,792 mi = 1.61 kms